Algebra
posted by G65 .
Make a conjecture about the solution of a system of equations if the result of subtracting one equation from the other is 0 = 0
A. There are no solutions
b. there are infinite number of solutions
c. Cannot determine any solution
d. the solutions are inverses of each other

If your variables disappear after performing valid algebraic operations, and
you end up with true statement, there are an infinite number of solutions
you end up with a false statement, there are no solutions.
so in your case the statement 0 = 0 is true, so ..... 
I don't understand?

Choco pies are cookies made from chocolate (c), sugar (s), and flour (f). Chocolate costs $5 per pound, sugar costs $3 per pound, and flour costs $2 per pound. You spend $50 on 18 pounds of food and buy twice as much flour as sugar.
Write a system of three equations that represents how much food you should purchase.
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